Cheapness

* Share minutes/texts etc with friends
* Route calls through wireless for free VOIP
* Take over land line for incoming calls, and use the cheapest for outgoing calls (wifi->PC->modem)
* Onboard voicemail, to avoid operator charges
* Detect free wifi points and store their GPS locations online

James Bond gadget

* Covert recording of phone calls
* Bugging device (automatic record/call when it hears something, and silent phone-in)
* Play a sound back while making a call, to pretend you're somewhere else
* Simulate a bad connection, avoid the call you didn't want to have
* Detect people who you're avoiding by their bluetooth mac

Cheapness

* Share minutes/texts etc with friends
* Route calls through wireless for free VOIP
* Take over land line for incoming calls, and use the cheapest for outgoing calls (wifi->PC->modem)
* Onboard voicemail, to avoid operator charges
* Detect free wifi points and store their GPS locations online

James Bond gadget

* Covert recording of phone calls
* Bugging device (automatic record/call when it hears something, and silent phone-in)
* Play a sound back while making a call, to pretend you're somewhere else
* Simulate a bad connection, avoid the call you didn't want to have
* Detect people who you're avoiding by their bluetooth mac